On Tuesday, July 21, 2015 07:54:24 PM Connor Abbott wrote:
> Signed-off-by: Connor Abbott <connor.w.abb...@intel.com>
> ---
> src/glsl/nir/nir_control_flow.c | 8 ++++++++
> 1 file changed, 8 insertions(+)
>
> diff --git a/src/glsl/nir/nir_control_flow.c b/src/glsl/nir/nir_control_flow.c
> index b416a58..b99bf89 100644
> --- a/src/glsl/nir/nir_control_flow.c
> +++ b/src/glsl/nir/nir_control_flow.c
> @@ -293,6 +293,14 @@ move_successors(nir_block *source, nir_block *dest)
> link_blocks(dest, succ1, succ2);
> }
>
> +static bool
> +block_ends_in_jump(nir_block *block)
> +{
> + return !exec_list_is_empty(&block->instr_list) &&
> + nir_block_last_instr(block)->type == nir_instr_type_jump;
> +}
> +
> +
> /* Given a basic block with no successors that has been inserted into the
> * control flow tree, gives it the successors it would normally have assuming
> * it doesn't end in a jump instruction. Also inserts phi sources with undefs
> There are a couple conditions that could be turned into !block_ends_in_jump(...), even after your series. Might be worth doing.
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